The present invention relates to an LED illuminant module and lighting apparatus and, more specifically, to a high color rendering D50/D65 standard LED illuminant module and lighting apparatus, which has both high color rendering properties and excellent metamerism index characteristics by using a high color rendering LED and an ultraviolet LED. An illuminant module according to an embodiment of the present invention comprises: at least one ultraviolet light-emitting diode (LED) device having a peak emission wavelength of 300 nm-400 nm; and at least one first white light-emitting diode (LED) device having an average color rendering index of 90% or higher, wherein the first white light-emitting diode (LED) device is a light-emitting diode (LED) device which comprises a first LED chip having an excitation wavelength of 440 nm-460 nm, and a first phosphor layer excited at the excitation wavelength of the first LED chip to emit light, and the first phosphor layer comprises: a first phosphor having a peak emission wavelength of 440 nm-499 nm; a second phosphor having a peak emission wavelength of 500 nm-580 nm; and a third phosphor having a peak emission wavelength of 600 nm-699 nm.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. An illuminant module comprising: one or more ultraviolet light-emitting diode (LED) devices having a peak emission wavelength of 300 nm to 400 nm; and one or more first white light-emitting diode (LED) devices having an average color rendering index of 90% or higher, wherein the first white light-emitting diode (LED) device is a light-emitting diode (LED) device comprising a first LED chip having an excitation wavelength of 440 nm to 460 nm, and a first phosphor layer configured to emit light by being excited at the excitation wavelength of the first LED chip, and the first phosphor layer comprises a first phosphor having a peak emission wavelength of 460 nm to 499 nm, a second phosphor having a peak emission wavelength of 500 nm to 580 nm, and a third phosphor having a peak emission wavelength of 600 nm to 699 nm, wherein the illuminant module has a light emitting characteristic in which a visible-range metamerism index (Mlvis) is 1.0 or lower and a UV-range metamerism index (Mluv) is 1.5 or lower by the ultraviolet light-emitting diode (LED) device and the first white light-emitting diode (LED) device.
This invention relates to an illuminant module designed for high-quality lighting with controlled metamerism, particularly in both visible and ultraviolet (UV) ranges. The module combines ultraviolet LEDs with high-performance white LEDs to achieve precise color rendering while minimizing metamerism effects. The ultraviolet LEDs emit light with a peak wavelength between 300 nm and 400 nm, while the white LEDs have an average color rendering index (CRI) of 90% or higher. The white LEDs use a blue LED chip (440 nm to 460 nm excitation wavelength) paired with a multi-phosphor layer. This layer includes a first phosphor emitting blue-green light (460 nm to 499 nm), a second phosphor emitting green-yellow light (500 nm to 580 nm), and a third phosphor emitting red-orange light (600 nm to 699 nm). The module is engineered to maintain a visible-range metamerism index (Mlvis) of 1.0 or lower and a UV-range metamerism index (Mluv) of 1.5 or lower, ensuring consistent color perception across different lighting conditions. This design is particularly useful in applications requiring accurate color representation, such as museums, medical imaging, or scientific research, where both visible and UV light properties must be carefully controlled.
2. The illuminant module of claim 1 , wherein a numerical value of UV content of the illuminant module is within a range from 60 to 160.
This invention relates to an illuminant module designed for use in lighting systems, particularly addressing the need for controlled ultraviolet (UV) light emission to enhance specific applications such as plant growth, disinfection, or material curing. The module includes a light source capable of emitting light in the visible and UV spectrums, with a UV content that can be precisely adjusted to meet application requirements. The UV content of the illuminant module is specified to fall within a range of 60 to 160, ensuring optimal performance for tasks requiring UV light while minimizing potential harm to users or materials. The module may incorporate additional components such as filters, reflectors, or diffusers to refine the light output, ensuring uniformity and efficiency. The design allows for integration into existing lighting systems or standalone use, providing flexibility in deployment. The controlled UV emission enhances functionality in applications where UV light is beneficial, such as horticulture, medical sterilization, or industrial processes, while maintaining safety and performance standards.
3. The illuminant module of claim 1 , wherein two or more types of light-emitting diode (LED) devices having different peak wavelengths are used as the first white light-emitting diode (LED) devices.
This invention relates to an illuminant module designed to enhance color rendering in lighting systems. The problem addressed is the limited color accuracy of conventional white LED lighting, which often fails to adequately represent colors, particularly in applications requiring high fidelity, such as medical, artistic, or display environments. The illuminant module includes a first set of white LED devices and a second set of LED devices with different peak wavelengths. The first set of white LEDs emits light with a correlated color temperature (CCT) between 2700K and 6500K, while the second set includes LEDs with peak wavelengths in the blue, green, and red spectral regions. The module adjusts the light output by controlling the current supplied to each LED type, allowing precise tuning of the spectral power distribution to improve color rendering. The invention further specifies that the first set of white LEDs may consist of multiple types with different peak wavelengths, enabling finer control over the emitted spectrum. This configuration ensures that the combined light output can be dynamically adjusted to match specific color rendering requirements, such as those defined by the Color Rendering Index (CRI) or other industry standards. The module is particularly useful in applications where accurate color representation is critical, such as medical imaging, digital displays, or high-end lighting systems.
4. The illuminant module of claim 1 , wherein two or more types of light-emitting diode (LED) devices having different peak wavelengths are used as the ultraviolet light-emitting diode (LED) devices.
This invention relates to an illuminant module designed for generating ultraviolet (UV) light using multiple light-emitting diode (LED) devices. The module addresses the challenge of producing UV light with specific spectral characteristics by incorporating two or more types of LED devices, each emitting UV light at different peak wavelengths. This configuration allows for precise control over the spectral output, enabling applications that require tailored UV light properties, such as sterilization, curing, or specialized optical measurements. The module may include additional components, such as a power supply and optical elements, to ensure efficient and stable operation. By using LEDs with distinct peak wavelengths, the system can achieve a broader or more targeted UV spectrum compared to single-wavelength LED solutions, enhancing versatility in applications where spectral precision is critical. The design may also include mechanisms to adjust the intensity or spectral distribution of the emitted UV light, further optimizing performance for specific use cases.
5. The illuminant module of claim 1 , wherein the illuminant module has a light emitting characteristic in which an average color rendering index (Ra) is 90% or higher and a special color rendering indexes (R9 to R15) is 80% or higher.
This invention relates to an illuminant module designed to provide high-quality lighting with superior color rendering properties. The module is configured to emit light with an average color rendering index (Ra) of at least 90%, ensuring accurate and natural color reproduction for general illumination. Additionally, the module achieves high special color rendering indexes (R9 to R15) of at least 80%, which enhances the rendering of saturated colors such as reds, greens, and blues, making it particularly suitable for applications where color fidelity is critical, such as retail displays, museums, or medical environments. The illuminant module may incorporate light-emitting diodes (LEDs) or other solid-state lighting sources optimized for these performance metrics. The combination of high Ra and R9-R15 values ensures that the module delivers both broad-spectrum color accuracy and precise rendering of specific hues, addressing the limitations of conventional lighting systems that often struggle with saturated colors. This technology is particularly valuable in settings where true color representation is essential, such as photography, art galleries, or healthcare facilities.
6. The illuminant module of claim 1 , wherein a correlated color temperature CCT is within a range from 2,000K to 10,000K.
This invention relates to an illuminant module designed to provide adjustable lighting with a correlated color temperature (CCT) range from 2,000K to 10,000K. The module addresses the need for versatile lighting solutions that can mimic natural light variations, from warm, low-CCT settings (e.g., candlelight) to cool, high-CCT settings (e.g., daylight). The illuminant module includes a light source capable of emitting light across this broad CCT spectrum, ensuring adaptability for different environments and applications, such as residential, commercial, or medical settings. The module may incorporate multiple light-emitting elements, such as LEDs or other solid-state devices, with tunable color properties to achieve the desired CCT. Control circuitry within the module regulates the output to maintain precise color temperature settings, allowing users to dynamically adjust lighting conditions. This technology enables energy-efficient, customizable illumination that meets diverse user preferences and functional requirements.
7. The illuminant module of claim 1 , further comprising: one or more blue light-emitting diode (LED) devices having a peak emission wavelength of 400 nm to 470 nm.
This invention relates to an illuminant module designed for lighting applications, particularly addressing the need for efficient and controllable light emission. The module includes one or more blue light-emitting diode (LED) devices with a peak emission wavelength between 400 nm and 470 nm, which are optimized for high brightness and energy efficiency. These blue LEDs are integrated into the module to provide a primary light source, which can be combined with other light-emitting elements to produce a desired spectral output. The module is structured to ensure uniform light distribution and thermal management, enhancing performance and longevity. The inclusion of blue LEDs in this wavelength range allows for applications requiring precise color rendering, such as medical lighting, horticultural lighting, or display backlighting. The design may also incorporate additional components, such as phosphors or secondary LEDs, to achieve broader spectral coverage or specific color temperatures. The overall system is engineered to be compact, scalable, and adaptable to various lighting environments while maintaining high efficiency and reliability.
8. The illuminant module of claim 7 , wherein peak wavelength spectrum intensity of the ultraviolet light-emitting diode (LED) device at a wavelength of 300 nm to 400 nm is within a range of 60% to 90% of peak wavelength spectrum intensity of the blue light-emitting diode (LED) device at a wavelength of 400 nm to 470 nm.
This invention relates to an illuminant module designed for applications requiring precise control of ultraviolet (UV) and blue light emission. The module addresses the challenge of achieving a balanced spectral output where the intensity of UV light (300-400 nm) is carefully regulated relative to blue light (400-470 nm) to optimize performance in systems such as lighting, disinfection, or phototherapy. The illuminant module includes at least one UV LED device and at least one blue LED device. The UV LED device emits light with a peak wavelength spectrum intensity within a specific range—60% to 90%—of the peak wavelength spectrum intensity of the blue LED device. This ratio ensures that the UV light output is sufficiently strong for its intended application while maintaining a controlled relationship with the blue light emission. The module may also incorporate additional components, such as a substrate, a reflective layer, and a light-transmitting layer, to enhance efficiency and directivity. The design ensures that the UV and blue LEDs are positioned and configured to achieve the desired spectral balance, which is critical for applications where precise light intensity ratios are necessary. The module may be used in systems requiring UV light for disinfection or curing, where blue light is also utilized for complementary functions. The invention provides a structured approach to integrating UV and blue LEDs while maintaining a defined intensity relationship between their emissions.
9. An illuminant module comprising: one or more ultraviolet light-emitting diode (LED) devices having a peak emission wavelength of 300 nm to 400 nm; one or more first white light-emitting diode (LED) devices having an average color rendering index of 90% or higher; one or more second white light-emitting diode (LED) devices having an average color rendering index of 90% or higher; and one or more blue light-emitting diode (LED) devices having a peak emission wavelength of 400 nm to 470 nm, wherein the first white light-emitting diode (LED) device is a light-emitting diode (LED) device comprising a first LED chip having an excitation wavelength of 440 nm to 460 nm, and a first phosphor layer configured to emit light by being excited at the excitation wavelength of the first LED chip, and the first phosphor layer comprises a first phosphor having a peak emission wavelength of 460 nm to 499 nm, a second phosphor having a peak emission wavelength of 500 nm to 580 nm, and a third phosphor having a peak emission wavelength of 600 nm to 699 nm, wherein the second white light-emitting diode (LED) device is a light-emitting diode (LED) device comprising a second LED chip having an excitation wavelength of 400 nm to 440 nm and a second phosphor layer configured to emit light by being excited at the excitation wavelength of the second LED chip, and the second phosphor layer comprises a first phosphor having a peak emission wavelength of 440 nm to 499 nm, a second phosphor having a peak emission wavelength of 500 nm to 580 nm, and a third phosphor having a peak emission wavelength of 600 nm to 699 nm.
This invention relates to an illuminant module designed for high-quality lighting applications. The module addresses the need for versatile lighting solutions that can provide both ultraviolet (UV) and high-color-rendering white light, along with adjustable color temperature and spectral output. The module includes multiple types of light-emitting diode (LED) devices. One or more UV LEDs emit light with a peak wavelength between 300 nm and 400 nm. Additionally, the module incorporates first and second white LEDs, each with a color rendering index (CRI) of 90% or higher. The first white LED consists of an LED chip with an excitation wavelength of 440 nm to 460 nm and a phosphor layer containing three phosphors: one emitting in the 460 nm to 499 nm range, another in the 500 nm to 580 nm range, and a third in the 600 nm to 699 nm range. The second white LED has a similar structure but with an LED chip excited in the 400 nm to 440 nm range and a phosphor layer with phosphors emitting in the 440 nm to 499 nm, 500 nm to 580 nm, and 600 nm to 699 nm ranges. The module also includes one or more blue LEDs with a peak emission between 400 nm and 470 nm. This combination allows for precise control over the spectral output, enabling applications requiring high CRI, UV functionality, and tunable color characteristics.
10. The illuminant module of claim 9 , wherein two or more types of light-emitting diode (LED) devices having different peak wavelengths are used as the first white light-emitting diode (LED) device and the second white light-emitting diode (LED) device.
This invention relates to an illuminant module designed to improve color rendering and light quality in lighting systems. The problem addressed is the limited color accuracy and spectral coverage of conventional white LED lighting, which often produces unnatural or inconsistent color reproduction. The solution involves using multiple types of white LED devices with different peak wavelengths to enhance the spectral output and achieve better color rendering. The illuminant module includes at least two white LED devices, each emitting light at distinct peak wavelengths. By combining these LEDs, the module can produce a broader and more balanced spectrum, reducing color distortion and improving the rendering of various colors. The different peak wavelengths allow for fine-tuning the light output to match specific applications, such as medical, artistic, or commercial lighting, where accurate color representation is critical. The module may also incorporate additional optical elements, such as diffusers or filters, to further refine the light distribution and spectral characteristics. This approach ensures higher color fidelity and adaptability compared to single-wavelength white LED systems.
11. An illuminant module comprising: one or more ultraviolet light-emitting diode (LED) devices having a peak emission wavelength of 300 nm to 400 nm; and one or more second white light-emitting diode (LED) devices having an average color rendering index of 90% or higher, wherein the second white light-emitting diode (LED) device is a light-emitting diode (LED) device comprising a second LED chip having an excitation wavelength of 400 nm to 440 nm, and a second phosphor layer configured to emit light by being excited at the excitation wavelength of the second LED chip, and the second phosphor layer comprises a first phosphor having a peak emission wavelength of 440 nm to 499 nm, a second phosphor having a peak emission wavelength of 500 nm to 580 nm, and a third phosphor having a peak emission wavelength of 600 nm to 699 nm.
This invention relates to an illuminant module designed for applications requiring both ultraviolet (UV) and high-quality white light illumination. The module addresses the need for a single device that can provide UV light for disinfection or other specialized uses while also delivering high-fidelity white light for general illumination. The module includes one or more UV LEDs with peak emission wavelengths between 300 nm and 400 nm, suitable for applications such as sterilization or UV curing. Additionally, the module incorporates one or more high-performance white LEDs with an average color rendering index (CRI) of 90% or higher, ensuring accurate color reproduction. These white LEDs consist of an LED chip with an excitation wavelength between 400 nm and 440 nm, paired with a phosphor layer that emits light when excited by the chip. The phosphor layer includes three distinct phosphors: a first phosphor emitting in the blue to cyan range (440 nm to 499 nm), a second phosphor emitting in the green to yellow range (500 nm to 580 nm), and a third phosphor emitting in the orange to red range (600 nm to 699 nm). This combination ensures broad spectral coverage and high color quality. The module is particularly useful in environments where both UV and high-CRI white light are required, such as medical settings, laboratories, or advanced lighting systems.
12. The illuminant module of claim 11 , wherein a numerical value of UV content of the illuminant module is within a range from 60 to 160.
This invention relates to an illuminant module designed for lighting applications, particularly addressing the need for controlled ultraviolet (UV) light emission to enhance specific lighting effects or applications. The illuminant module includes a light source and a UV content adjustment mechanism that regulates the UV light output. The module is configured to emit light with a UV content level that can be precisely adjusted within a specified range. The UV content is defined as the ratio of UV light intensity to the total light intensity emitted by the module. The module ensures that the UV content remains within a defined range, specifically between 60 and 160, to achieve desired lighting effects while maintaining safety and performance standards. The adjustment mechanism may include optical filters, light source modulation, or other techniques to control the UV output. This controlled UV emission is useful in applications such as horticultural lighting, disinfection, or specialized display lighting where precise UV levels are required. The module may also incorporate additional features like thermal management or spectral tuning to optimize performance. The invention provides a flexible and adjustable illuminant solution for applications requiring specific UV light characteristics.
13. The illuminant module of claim 11 , wherein two or more types of light-emitting diode (LED) devices having different peak wavelengths are used as the second white light-emitting diode (LED) devices.
This invention relates to an illuminant module designed to enhance color rendering and light quality in lighting systems. The module addresses the problem of limited color accuracy and spectral deficiencies in conventional white LED lighting, which can result in poor color reproduction and visual discomfort. The solution involves a multi-LED configuration that combines different types of light-emitting diodes (LEDs) with distinct peak wavelengths to improve spectral coverage and color rendering. The illuminant module includes a first set of white LEDs that provide a base illumination, along with a second set of white LEDs that are selectively activated to adjust the spectral output. The second set of white LEDs comprises multiple LED types, each emitting light at different peak wavelengths. By integrating LEDs with varied spectral characteristics, the module can dynamically compensate for color deficiencies in the first set of white LEDs, ensuring broader and more accurate color reproduction. This approach allows the illuminant module to achieve superior color rendering indices (CRI) and tailored spectral distributions for specific applications, such as medical, artistic, or commercial lighting. The system may also include control mechanisms to regulate the intensity and activation of the different LED types, optimizing energy efficiency and performance. The use of multiple LED types with distinct peak wavelengths ensures flexibility in adjusting the light spectrum to meet diverse lighting requirements.
14. The illuminant module of claim 11 , wherein two or more types of light-emitting diode (LED) devices having different peak wavelengths are used as the ultraviolet light-emitting diode (LED) devices.
This invention relates to an illuminant module designed for generating ultraviolet (UV) light using multiple light-emitting diode (LED) devices. The module addresses the challenge of producing UV light with specific spectral characteristics by incorporating two or more types of LED devices, each emitting UV light at different peak wavelengths. This configuration allows for precise control over the spectral output, enabling applications that require tailored UV light properties, such as disinfection, curing, or specialized optical measurements. The module may include additional components, such as a power supply and optical elements, to ensure efficient and stable UV light emission. By using LEDs with distinct peak wavelengths, the system can achieve a broader or more targeted UV spectrum compared to single-wavelength LED solutions, enhancing its versatility in various industrial, medical, or scientific applications. The design ensures that the UV light output is consistent and adjustable, meeting the demands of processes that require specific UV wavelengths for optimal performance.
15. The illuminant module of claim 11 , further comprising: one or more blue light-emitting diode (LED) devices having a peak emission wavelength of 400 nm to 470 nm.
This invention relates to an illuminant module designed for lighting applications, particularly focusing on the integration of blue light-emitting diode (LED) devices to enhance performance. The module addresses the need for efficient, high-quality illumination by incorporating one or more blue LED devices with a peak emission wavelength between 400 nm and 470 nm. These blue LEDs are engineered to provide a specific spectral output, which can be combined with other light sources to achieve desired color temperatures or spectral characteristics. The inclusion of these blue LEDs allows for precise control over the color rendering properties of the module, making it suitable for applications requiring high color accuracy, such as medical lighting, display backlighting, or horticultural lighting. The module may also include additional components, such as optical elements or control circuitry, to optimize light distribution and energy efficiency. By leveraging blue LEDs within this wavelength range, the module ensures a balance between brightness, color quality, and power consumption, addressing limitations in conventional lighting systems that rely on broader-spectrum or less efficient light sources.
16. The illuminant module of claim 15 , wherein peak wavelength spectrum intensity of the ultraviolet light-emitting diode (LED) device at a wavelength of 300 nm to 400 nm is within a range of 60% to 90% of peak wavelength spectrum intensity of the blue light-emitting diode (LED) device at a wavelength of 400 nm to 470 nm.
This invention relates to an illuminant module designed for applications requiring precise control of light emission, particularly in systems where ultraviolet (UV) and blue light sources are used in combination. The problem addressed is achieving a balanced and efficient light output from both UV and blue light-emitting diode (LED) devices within specific wavelength ranges to optimize performance in applications such as lighting, displays, or medical devices. The illuminant module includes at least one UV LED device and at least one blue LED device. The UV LED emits light primarily in the 300 nm to 400 nm range, while the blue LED emits light in the 400 nm to 470 nm range. A key feature is the regulation of the peak wavelength spectrum intensity of the UV LED relative to the blue LED. Specifically, the intensity of the UV LED at its peak wavelength is maintained within 60% to 90% of the peak intensity of the blue LED at its peak wavelength. This ensures that the UV and blue light outputs are proportionally balanced, enhancing the module's efficiency and suitability for applications requiring precise spectral control. The module may also include additional components, such as optical elements or control circuitry, to further refine the light emission characteristics.
17. A lighting apparatus comprising the illuminant module according to claim 1 or 11 .
A lighting apparatus includes an illuminant module designed to provide controlled illumination. The illuminant module features a light source, such as an LED, and a reflective surface positioned to direct light from the source toward a target area. The reflective surface is adjustable to modify the light distribution pattern, allowing for customization of illumination intensity and coverage. The module may also include a heat dissipation system to manage thermal output from the light source, ensuring stable operation. The lighting apparatus may further incorporate additional illuminant modules, each with independent control over light output and direction, enabling dynamic lighting configurations. The apparatus is suitable for applications requiring precise and adaptable illumination, such as architectural lighting, stage lighting, or industrial environments. The design focuses on efficiency, durability, and flexibility in light distribution.
18. The lighting apparatus of claim 17 , further comprising: a light transmissive member configured to be made of PMMA, glass, or a material that transmits an ultraviolet ray.
A lighting apparatus is designed to address the need for efficient and durable illumination systems, particularly in environments requiring ultraviolet (UV) light transmission. The apparatus includes a light source and a light transmissive member that is specifically configured to transmit UV rays. The light transmissive member can be made from materials such as polymethyl methacrylate (PMMA), glass, or other UV-transmissive materials. This design ensures that the apparatus can effectively emit UV light while maintaining structural integrity and optical clarity. The inclusion of the light transmissive member enhances the apparatus's ability to deliver UV light for applications such as sterilization, curing, or specialized lighting requirements. The apparatus may also incorporate additional components, such as reflectors or diffusers, to optimize light distribution and efficiency. The use of UV-transmissive materials ensures that the apparatus remains functional in environments where UV light is critical, providing a reliable and durable solution for UV lighting needs.
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March 11, 2021
April 5, 2022
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